diff --git a/crates/claude-connector/src/backend/tests.rs b/crates/claude-connector/src/backend/tests.rs
index a48aa9c..2e3b993 100644
--- a/crates/claude-connector/src/backend/tests.rs
+++ b/crates/claude-connector/src/backend/tests.rs
@@ -2456,7 +2456,12 @@ fn a_result_that_made_no_api_call_bills_nothing() {
         // CLI reported rows: the reservation stands.
         ("", 2300, empty, false),
         (r#""api_error_status":500,"#, 0, empty, false),
-        (r#""api_error_status":null,"#, 0, r#","model_usage_since_last_result":"?""#, false),
+        (
+            r#""api_error_status":null,"#,
+            0,
+            r#","model_usage_since_last_result":"?""#,
+            false,
+        ),
     ];
     for (status, api_ms, extra, free) in cases {
         let line = not_logged_in_line(status, api_ms, extra);
diff --git a/crates/claude-connector/src/quota.rs b/crates/claude-connector/src/quota.rs
index a8477fd..76f0ce4 100644
--- a/crates/claude-connector/src/quota.rs
+++ b/crates/claude-connector/src/quota.rs
@@ -110,7 +110,10 @@ mod tests {
         let cell = QuotaCell::new();
         cell.observe_at(100, [quota("five_hour", 80, 0)]);
         cell.observe_at(900, Vec::new());
-        assert_eq!(cell.snapshot_at(950).windows, vec![quota("five_hour", 80, 100)]);
+        assert_eq!(
+            cell.snapshot_at(950).windows,
+            vec![quota("five_hour", 80, 100)]
+        );
     }
 
     #[test]
@@ -123,7 +126,10 @@ mod tests {
         assert_eq!(expired.len(), 1);
         assert_eq!(expired[0].status, "expired");
         assert_eq!(expired[0].utilization_permille, None);
-        assert_eq!(expired[0].observed_at_unix_ms, 100, "its age stays readable");
+        assert_eq!(
+            expired[0].observed_at_unix_ms, 100,
+            "its age stays readable"
+        );
         assert_eq!(expired[0].resets_at_unix_ms, RESET);
     }
 
diff --git a/crates/claude-connector/src/stream.rs b/crates/claude-connector/src/stream.rs
index 1c56821..f712892 100644
--- a/crates/claude-connector/src/stream.rs
+++ b/crates/claude-connector/src/stream.rs
@@ -357,11 +357,7 @@ fn fail(kind: FailureKind, message: &'static str) -> Step {
 /// 403 or 429, or a call never made); elsewhere the CLI also zeroes usage on
 /// crashes after real work. A call never made (`absent_is_zero`) may also
 /// omit the field. `None` is billed the reservation by the kit.
-fn read_usage(
-    reported: Option<Value>,
-    empty_is_zero: bool,
-    absent_is_zero: bool,
-) -> Option<Usage> {
+fn read_usage(reported: Option<Value>, empty_is_zero: bool, absent_is_zero: bool) -> Option<Usage> {
     let Some(reported) = reported else {
         return absent_is_zero.then(|| sum_usage(std::iter::empty()));
     };
diff --git a/crates/model-connector/src/readout.rs b/crates/model-connector/src/readout.rs
index e4e34df..36d4cb9 100644
--- a/crates/model-connector/src/readout.rs
+++ b/crates/model-connector/src/readout.rs
@@ -107,15 +107,7 @@ mod tests {
             panic!("a readout is a map, not a positional array");
         };
         let names: Vec<&str> = fields.iter().filter_map(|(k, _)| k.as_str()).collect();
-        assert_eq!(
-            names,
-            [
-                "schema_id",
-                "at_unix_ms",
-                "callers",
-                "plan_quota"
-            ]
-        );
+        assert_eq!(names, ["schema_id", "at_unix_ms", "callers", "plan_quota"]);
         assert_eq!(wire_decode::<SpendReadout>(&bytes).unwrap(), readout());
     }